Statewide Rankings

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Month:

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pennsylvania

Precipitation Rankings, June 1991

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
June 1991 1-Month	1.59" (40.39mm)	4.17" (105.92mm)	-2.58" (-65.53mm)	3rd Driest	Driest since: 1988	1966
June 1991 1-Month	1.59" (40.39mm)	4.17" (105.92mm)	-2.58" (-65.53mm)	126th Wettest	Wettest since: 1990	1972
May–Jun 1991 2-Month	3.82" (97.03mm)	8.10" (205.74mm)	-4.28" (-108.71mm)	1st Driest	Driest since: 1991	1991
May–Jun 1991 2-Month	3.82" (97.03mm)	8.10" (205.74mm)	-4.28" (-108.71mm)	128th Wettest	Wettest since: 1990	1972
Apr–Jun 1991 3-Month	6.97" (177.04mm)	11.74" (298.20mm)	-4.77" (-121.16mm)	2nd Driest	Driest since: 1965	1965
Apr–Jun 1991 3-Month	6.97" (177.04mm)	11.74" (298.20mm)	-4.77" (-121.16mm)	127th Wettest	Wettest since: 1990	1972
Mar–Jun 1991 4-Month	10.85" (275.59mm)	15.23" (386.84mm)	-4.38" (-111.25mm)	5th Driest	Driest since: 1971	1926
Mar–Jun 1991 4-Month	10.85" (275.59mm)	15.23" (386.84mm)	-4.38" (-111.25mm)	124th Wettest	Wettest since: 1990	1972
Feb–Jun 1991 5-Month	12.57" (319.28mm)	17.83" (452.88mm)	-5.26" (-133.60mm)	2nd Driest	Driest since: 1941	1941
Feb–Jun 1991 5-Month	12.57" (319.28mm)	17.83" (452.88mm)	-5.26" (-133.60mm)	127th Wettest	Wettest since: 1990	1972
Jan–Jun 1991 6-Month	15.32" (389.13mm)	20.88" (530.35mm)	-5.56" (-141.22mm)	3rd Driest	Driest since: 1969	1941
Jan–Jun 1991 6-Month	15.32" (389.13mm)	20.88" (530.35mm)	-5.56" (-141.22mm)	126th Wettest	Wettest since: 1990	1972
Dec 1990–Jun 1991 7-Month	21.62" (549.15mm)	23.98" (609.09mm)	-2.36" (-59.94mm)	31st Driest	Driest since: 1988	1941
Dec 1990–Jun 1991 7-Month	21.62" (549.15mm)	23.98" (609.09mm)	-2.36" (-59.94mm)	97th Wettest	Wettest since: 1990	1972
Nov 1990–Jun 1991 8-Month	24.09" (611.89mm)	27.19" (690.63mm)	-3.10" (-78.74mm)	20th Driest	Driest since: 1988	1934
Nov 1990–Jun 1991 8-Month	24.09" (611.89mm)	27.19" (690.63mm)	-3.10" (-78.74mm)	108th Wettest	Wettest since: 1990	2019
Oct 1990–Jun 1991 9-Month	29.90" (759.46mm)	30.36" (771.14mm)	-0.46" (-11.68mm)	55th Driest	Driest since: 1990	1925
Oct 1990–Jun 1991 9-Month	29.90" (759.46mm)	30.36" (771.14mm)	-0.46" (-11.68mm)	73rd Wettest	Wettest since: 1989	2019
Sep 1990–Jun 1991 10-Month	34.02" (864.11mm)	33.92" (861.57mm)	0.10" (2.54mm)	66th Driest	Driest since: 1990	1965
Sep 1990–Jun 1991 10-Month	34.02" (864.11mm)	33.92" (861.57mm)	0.10" (2.54mm)	62nd Wettest	Wettest since: 1989	2019
Aug 1990–Jun 1991 11-Month	39.24" (996.70mm)	37.79" (959.87mm)	1.45" (36.83mm)	75th Driest	Driest since: 1990	1931
Aug 1990–Jun 1991 11-Month	39.24" (996.70mm)	37.79" (959.87mm)	1.45" (36.83mm)	53rd Wettest	Wettest since: 1989	2019
Jul 1990–Jun 1991 12-Month	44.46" (1,129.28mm)	41.99" (1,066.55mm)	2.47" (62.73mm)	81st Driest	Driest since: 1990	1931
Jul 1990–Jun 1991 12-Month	44.46" (1,129.28mm)	41.99" (1,066.55mm)	2.47" (62.73mm)	47th Wettest	Wettest since: 1989	2019
Jan 1990–Jun 1991 18-Month	65.02" (1,651.51mm)	62.83" (1,595.88mm)	2.19" (55.63mm)	83rd Driest	Driest since: 1990	1931
Jan 1990–Jun 1991 18-Month	65.02" (1,651.51mm)	62.83" (1,595.88mm)	2.19" (55.63mm)	45th Wettest	Wettest since: 1984	2019
Jul 1989–Jun 1991 24-Month	84.08" (2,135.63mm)	83.92" (2,131.57mm)	0.16" (4.06mm)	58th Driest	Driest since: 1989	1966
Jul 1989–Jun 1991 24-Month	84.08" (2,135.63mm)	83.92" (2,131.57mm)	0.16" (4.06mm)	69th Wettest	Wettest since: 1990	2019
Jul 1988–Jun 1991 36-Month	129.43" (3,287.52mm)	125.95" (3,199.13mm)	3.48" (88.39mm)	76th Driest	Driest since: 1990	1966
Jul 1988–Jun 1991 36-Month	129.43" (3,287.52mm)	125.95" (3,199.13mm)	3.48" (88.39mm)	50th Wettest	Wettest since: 1980	2019
Jul 1987–Jun 1991 48-Month	168.01" (4,267.45mm)	167.95" (4,265.93mm)	0.06" (1.52mm)	51st Driest	Driest since: 1990	1966
Jul 1987–Jun 1991 48-Month	168.01" (4,267.45mm)	167.95" (4,265.93mm)	0.06" (1.52mm)	74th Wettest	Wettest since: 1989	2020
Jul 1986–Jun 1991 60-Month	209.65" (5,325.11mm)	209.88" (5,330.95mm)	-0.23" (-5.84mm)	49th Driest	Driest since: 1990	1966
Jul 1986–Jun 1991 60-Month	209.65" (5,325.11mm)	209.88" (5,330.95mm)	-0.23" (-5.84mm)	75th Wettest	Wettest since: 1987	2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings